Morris Arboretum

Morris Arboretum
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Bloom Calendar May

What's in Bloom: May = Location


Japanese styrax
Near Seven Arches

Styrax japonica
(Japanese styrax)

This small tree produces fragrant blooms in late May.

Florida azalea
English Park

Rhododendron austrinum
(Florida azalea)

In early May the native azaleas burst with color all around the Arboretum.

American columbine Visitor Center

Aquilegia canadensis
(American columbine)

This popular woodland plant attracts hummingbirds in spring.


common pawpaw
Sculpture Garden

Asimina triloba
(common pawpaw)

This native plant has large edible fruit and is said to be deer resistant!

giant allium
Pennock Garden

Allium giganteum
(giant allium)

A perennial that adds height and color to the beds in May.

Souvenir de la Malmaison
Rose Garden

Rosa ‘Souvenir de la Malmaison’
(Souvenir de la Malmaison)

An antique bourbon rose that is one of many fragrant blooms in the rose garden.


What's in Bloom Year-round?




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Alerts & Updates

The Garden Railway and Compton Café will be closed today (Thursday, June 23) due to the weather.

The Arboretum is open as usual. Click here for hours.

Please note: The Rose Garden is closed for maintenance every Thursday morning until noon.

Weather conditions may limit garden access to certain features even if the garden is open – please check the web site or call (215) 247-5777 for updates before visiting. Our visitors’ safety in the garden is our top priority. Therefore when inclement weather is predicted, we will make decisions about closing the garden accordingly.

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